Home / 13,797.18-20,689.74-3,934.26

Finding the Fourth Proportional to 13,797.18, 20,689.74 and 3,934.26

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Solution

The fourth proportional to 13,797.18, 20,689.74 and 3,934.26 is: 5,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.18 : 20,689.74 = 3,934.26 : x
  2. Step 2: Convert to fraction form
    13,797.18/20,689.74 = 3,934.26/x
  3. Step 3: Cross multiply
    13,797.18x = 20,689.74 × 3,934.26
  4. Step 4: Simplify right side
    13,797.18x = 81,398,816.49
  5. Step 5: Solve for x
    x = 81,398,816.49/13,797.18
  6. Step 6: Final answer
    x = 5,899.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.